What is the secret ingredient in a krabby patty?

The secret ingredient in a Krabby Patty from the popular animated TV show SpongeBob SquarePants is a closely guarded secret, known only to the series' creator, Stephen Hillenburg. The ingredient is never explicitly revealed in the show, adding to the mystery and allure of the Krabby Patty.

Throughout the series, various characters, including the main character SpongeBob, Mr. Krabs, and Plankton, attempt to uncover the secret formula with no success. Mr. Krabs goes to great lengths to protect the recipe, suggesting that it is a key factor in the success of his restaurant, the Krusty Krab.

Many fans have speculated about what the secret ingredient could be, with popular theories including everything from crab meat to plankton. However, the true secret ingredient remains unknown, leaving fans to wonder and speculate.